Audi A3 2020–2024 vs Mercedes-Benz A-Class 2022– size comparison

Mercedes-Benz A-Class 2022– is 75 mm (1.7%) longer than Audi A3 2020–2024. It is 19 mm (1.0%) narrower, 12 mm (0.8%) lower and 93 mm (3.5%) longer in wheelbase. Boot space with the seats up is 425 L and 420 L (-5 L).

DimensionAudi A3 2020–2024Mercedes-Benz A-Class 2022–Difference
Length4495 mm4570 mm+75 mm (+1.7%)
Width1816 mm1797 mm-19 mm (-1.0%)
Height1425 mm1413 mm-12 mm (-0.8%)
Wheelbase2636 mm2729 mm+93 mm (+3.5%)
Boot425 L420 L-5 L

Audi A3 2020–2024 dimensions · Mercedes-Benz A-Class 2022– dimensions